Home / 19,953.96-29,695.34-19,289.52

Finding the Fourth Proportional to 19,953.96, 29,695.34 and 19,289.52

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Solution

The fourth proportional to 19,953.96, 29,695.34 and 19,289.52 is: 28,706.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953.96 : 29,695.34 = 19,289.52 : x
  2. Step 2: Convert to fraction form
    19,953.96/29,695.34 = 19,289.52/x
  3. Step 3: Cross multiply
    19,953.96x = 29,695.34 × 19,289.52
  4. Step 4: Simplify right side
    19,953.96x = 572,808,854.84
  5. Step 5: Solve for x
    x = 572,808,854.84/19,953.96
  6. Step 6: Final answer
    x = 28,706.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.